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Diffstat (limited to 'library/alloc/src/sync.rs')
| -rw-r--r-- | library/alloc/src/sync.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 415825cc878..0c6f3ef9b73 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -311,6 +311,7 @@ impl<T: ?Sized, A: Allocator> Arc<T, A> { /// /// [`upgrade`]: Weak::upgrade #[stable(feature = "arc_weak", since = "1.4.0")] +#[cfg_attr(not(test), rustc_diagnostic_item = "ArcWeak")] pub struct Weak< T: ?Sized, #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global, |